CN104550416A - Trimming die for thermal shield of automobile exhaust system - Google Patents
Trimming die for thermal shield of automobile exhaust system Download PDFInfo
- Publication number
- CN104550416A CN104550416A CN201410846735.6A CN201410846735A CN104550416A CN 104550416 A CN104550416 A CN 104550416A CN 201410846735 A CN201410846735 A CN 201410846735A CN 104550416 A CN104550416 A CN 104550416A
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- CN
- China
- Prior art keywords
- cutter
- knife
- cutter insert
- waste material
- edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
Abstract
The invention discloses a trimming die for a thermal shield of an automobile exhaust system. The trimming die for the thermal shield of the automobile exhaust system is capable of solving the problems of easiness in wrinkling and cracking when a traditional integrally modular trimming die cuts off waste edges of four sides of a workpiece. The trimming die for the thermal shield of the automobile exhaust system comprises an upper die structure and a lower die structure, the upper die structure and lower die structure are closed by the guide of a rolling guide mechanism, the upper die structure comprises an upper template, an upper fixing plate is arranged on the bottom of the upper template through an upper lining plate, a press plate is arranged in the upper fixing plate, the lower die structure comprises a lower template, the lower template is provided with a convex die through a lower lining plate, cutter insert components are arranged in the upper fixing plate and around the four sides of the press plate, and each cutter insert component comprises a second cutter insert, a fifth cutter insert, a sixth cutter insert and a third cutter insert used for cutting off the waste edge of the outer side of the left half shell of the workpiece and a fourth cutter insert, a seventh cutter insert, an eighth cutter insert and a first cutter insert used for cutting off the waste edge of the outer side of the right half part of the workpiece.
Description
Technical field
The present invention relates to the forming technique field of auto parts and components, especially relate to the punch process molding field of automobile exhaust system parts, be specially the shaving die of heat shield of automobile exhaust system.
Background technology
Process a kind of heat shield of automobile exhaust system 40, see Fig. 1, tradition adopts the method for integrally casting to shape, because it is that this heat shield structure is complicated, thus adopt the method not only shaping difficulty of traditional integrally casting large, and crudy is poor, efficiency is low, cost is high.In order to overcome the problems referred to above, now this heat shield is divided into left half shell 41, right half shell 42 welds after being formed separately processing again, and have employed to improve working (machining) efficiency the form integrally connecting material punching press when left half shell, right half shell are shaped, integrally connect after material strikes out shaping need the slitter edge of flitch surrounding to excise at left half shell, right half shell, but because this workpiece configurations is complicated, after adopting traditional integral modular construction edger to carry out trimming process, the trimming face of workpiece creases easily and even ftractures, thus cause workpiece to be scrapped, have a strong impact on the yields of product.
Summary of the invention
For the problems referred to above, the invention provides the shaving die of heat shield of automobile exhaust system, it can solve and adopt the edger of traditional integral modular construction to carry out to workpiece the problem that when surrounding slitter edge excises, workpiece creases easily, ftractures, and ensures the crudy of workpiece.
Its technical scheme is such, it comprises upper die structure and lower die structure, to be led matched moulds by rolling guiding mechanism between described upper die structure and lower die structure, described upper die structure comprises cope match-plate pattern, described cope match-plate pattern underrun upper padding plate is provided with upper mounted plate, in fixed plate, holding pad is installed, described lower die structure comprises lower bolster, described lower bolster is provided with punch by lower bolster, it is characterized in that: in fixed plate, described holding pad surrounding is around being provided with cutter insert assembly, described cutter insert assembly comprises the second cutter insert for excising slitter edge outside left half shell of workpiece, 5th cutter insert, 6th cutter insert and the 3rd cutter insert, and for excising the 4th cutter insert of workpiece right half of outside slitter edge, 7th cutter insert, 8th cutter insert and the first cutter insert.
Qi Jin mono-Walk is characterised in that:
It is also provided with cuts waste material modular assembly, described waste material modular assembly of cutting comprises the scrap cutter assembly being installed on described upper die structure, with the waste material edge of a knife assembly be installed in lower die structure, described scrap cutter assembly coordinates with described waste material edge of a knife assembly and excises workpiece waste material;
Described scrap cutter assembly comprises the first scrap cutter, the second scrap cutter and the 3rd scrap cutter, described first scrap cutter is flush-mounted in the middle of described 5th cutter insert and the 6th cutter insert, described second scrap cutter is flush-mounted in the middle of described 7th cutter insert and the 8th cutter insert, described 3rd scrap cutter is provided with two, and in described two the 3rd scrap cutters, one is installed in the middle of described first cutter insert and the second cutter insert, another is installed in the middle of the 3rd cutter insert and the 4th cutter insert;
Described waste material edge of a knife assembly comprises the first waste material edge of a knife, the second waste material edge of a knife and the 3rd waste material edge of a knife, the described first waste material edge of a knife is provided with two, described two first waste material edges of a knife are corresponding with described first scrap cutter, the second scrap cutter respectively, and the described second waste material edge of a knife and the 3rd waste material edge of a knife are corresponding with two the 3rd scrap cutters respectively;
The described second waste material edge of a knife and the 3rd waste material edge of a knife are the split type edge of a knife, and the described split type edge of a knife comprises turning side tool mouth and the case side edge of a knife, and described turning side tool mouth and the case side edge of a knife correspond respectively to the both sides of described 3rd waste knife.
The beneficial effect of mould of the present invention is: the cutting knife of traditional integral modular is changed into the cutter insert structure of inlaid type by it, for workpiece surrounding slitter edge provides uniform shearing force, thus ensure that workpiece surrounding slitter edge can reliably excise, effectively prevent the wrinkling even cracking phenomena of workpiece waste material trimming, guarantee workpiece processing quality; And cut waste material modular assembly in mould of the present invention, the excision of the waste material of the corner of workpiece two and half shell and the interface of cutter insert splicing can be determined, further ensure the reliable excision of workpiece slitter edge.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of heat shield of automobile exhaust system of Mould Machining of the present invention;
Fig. 2 is the workpiece schematic diagram after mould trimming of the present invention processing;
Fig. 3 is the main TV structure schematic diagram of mould of the present invention;
Fig. 4 is the plan structure schematic diagram of the lower die structure of mould of the present invention;
Fig. 5 is the schematic diagram in top down perspective of the upper die structure of mould of the present invention.
Detailed description of the invention
See Fig. 3, Fig. 4 and Fig. 5, mould of the present invention it comprise upper die structure and lower die structure, to be led matched moulds by rolling guiding mechanism 30 between upper die structure and lower die structure, upper die structure comprises cope match-plate pattern 2, cope match-plate pattern 2 underrun upper padding plate 4 is provided with upper mounted plate 5, holding pad 6 is installed in upper mounted plate 5, lower die structure comprises lower bolster 3, lower bolster 3 is provided with punch 7 by lower bolster 8, in upper mounted plate 5, holding pad 6 surrounding is around being provided with cutter insert assembly, cutter insert assembly comprises the second cutter insert 12 for excising slitter edge outside left half shell of workpiece, 5th cutter insert 15, 6th cutter insert 16 and the 3rd cutter insert 13, and for excising the 4th cutter insert 14 of workpiece right half of outside slitter edge, 7th cutter insert 17, 8th cutter insert 18 and the first cutter insert 11.
Mould of the present invention is also provided with cuts waste material modular assembly, cut waste material modular assembly and comprise the scrap cutter assembly being installed on upper die structure, with the waste material edge of a knife assembly be installed in lower die structure, scrap cutter assembly coordinates with described waste material edge of a knife assembly and excises workpiece waste material;
Scrap cutter assembly comprises the first scrap cutter 19, second scrap cutter 20 and the 3rd scrap cutter 21, first scrap cutter embedding 19 is loaded in the middle of the 5th cutter insert 15 and the 6th cutter insert 16, second scrap cutter 20 is flush-mounted in the middle of the 7th cutter insert 17 and the 8th cutter insert 18,3rd scrap cutter 21 is provided with two, and in two the 3rd scrap cutters, one is installed in the middle of the first cutter insert 11 and the second cutter insert 12, another is installed on the 3rd cutter insert 13 and the 4th cutter insert 14 is middle;
Waste material edge of a knife assembly comprises the first waste material edge of a knife 22, the second waste material edge of a knife and the 3rd waste material edge of a knife, the first waste material edge of a knife 22 is provided with two, two first waste material edges of a knife 22 are corresponding with the first scrap cutter 19, second scrap cutter 20 respectively, and the second waste material edge of a knife and the 3rd waste material edge of a knife are corresponding with two the 3rd scrap cutters 21 respectively;
The second waste material edge of a knife and the 3rd waste material edge of a knife are the split type edge of a knife, the second waste material edge of a knife comprises turning side tool mouth 24 and the case side edge of a knife 25, the 3rd waste material edge of a knife comprises turning side tool mouth 26 and the case side edge of a knife 27, and turning side tool mouth 24 and the case side edge of a knife 25, turning side tool mouth 26 and the case side edge of a knife 27 correspond respectively to the both sides of two the 3rd waste knifes 21.
In Fig. 3,1 for being installed on the upper mounting plate on cope match-plate pattern 2, and 9,10 are the counterdie pin being installed on lower bolster 3 bottom, and 23 is the first waste material edge of a knife cushion block, and 28 is male mold inserts, and 29 is limited post, and 31 is nitrogen cylinder.
Claims (5)
1. the shaving die of heat shield of automobile exhaust system, it comprises upper die structure and lower die structure, to be led matched moulds by rolling guiding mechanism between described upper die structure and lower die structure, described upper die structure comprises cope match-plate pattern, described cope match-plate pattern underrun upper padding plate is provided with upper mounted plate, in fixed plate, holding pad is installed, described lower die structure comprises lower bolster, described lower bolster is provided with punch by lower bolster, it is characterized in that: in fixed plate, described holding pad surrounding is around being provided with cutter insert assembly, described cutter insert assembly comprises the second cutter insert for excising slitter edge outside left half shell of workpiece, 5th cutter insert, 6th cutter insert and the 3rd cutter insert, and for excising the 4th cutter insert of workpiece right half of outside slitter edge, 7th cutter insert, 8th cutter insert and the first cutter insert.
2. the shaving die of heat shield of automobile exhaust system according to claim 1, it is characterized in that: it is also provided with cuts waste material modular assembly, described waste material modular assembly of cutting comprises the scrap cutter assembly being installed on described upper die structure, with the waste material edge of a knife assembly be installed in lower die structure, described scrap cutter assembly coordinates with described waste material edge of a knife assembly and excises workpiece waste material.
3. the shaving die of heat shield of automobile exhaust system according to claim 2, it is characterized in that: described scrap cutter assembly comprises the first scrap cutter, second scrap cutter and the 3rd scrap cutter, described first scrap cutter is flush-mounted in the middle of described 5th cutter insert and the 6th cutter insert, described second scrap cutter is flush-mounted in the middle of described 7th cutter insert and the 8th cutter insert, described 3rd scrap cutter is provided with two, in described two the 3rd scrap cutters, one is installed in the middle of described first cutter insert and the second cutter insert, another is installed in the middle of the 3rd cutter insert and the 4th cutter insert.
4. the shaving die of heat shield of automobile exhaust system according to claim 3, it is characterized in that: described waste material edge of a knife assembly comprises the first waste material edge of a knife, the second waste material edge of a knife and the 3rd waste material edge of a knife, the described first waste material edge of a knife is provided with two, described two first waste material edges of a knife are corresponding with described first scrap cutter, the second scrap cutter respectively, and the described second waste material edge of a knife and the 3rd waste material edge of a knife are corresponding with two the 3rd scrap cutters respectively.
5. the shaving die of heat shield of automobile exhaust system according to claim 4, it is characterized in that: the described second waste material edge of a knife and the 3rd waste material edge of a knife are the split type edge of a knife, the described split type edge of a knife comprises turning side tool mouth and the case side edge of a knife, and described turning side tool mouth and the case side edge of a knife correspond respectively to the both sides of described 3rd waste knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846735.6A CN104550416B (en) | 2014-12-31 | 2014-12-31 | The shaving die of heat shield of automobile exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410846735.6A CN104550416B (en) | 2014-12-31 | 2014-12-31 | The shaving die of heat shield of automobile exhaust system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104550416A true CN104550416A (en) | 2015-04-29 |
| CN104550416B CN104550416B (en) | 2017-09-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410846735.6A Active CN104550416B (en) | 2014-12-31 | 2014-12-31 | The shaving die of heat shield of automobile exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104550416B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859353A (en) * | 2015-05-22 | 2015-08-26 | 苏州飞宇精密科技股份有限公司 | Low-temperature thermal shroud embossing die |
| CN113458252A (en) * | 2021-07-05 | 2021-10-01 | 武汉日晗精密机械有限公司 | Forming process of stainless steel exhaust half-shell stamping part and edge upsetting die |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202367054U (en) * | 2011-11-30 | 2012-08-08 | 芜湖宏昌汽车配件制造有限公司 | Edge wrapping die for heat shield of engine |
| CN202479322U (en) * | 2012-03-15 | 2012-10-10 | 无锡国盛精密模具有限公司 | Mould for automatically cutting off closed scrap edge and waste materials |
| CN103331359A (en) * | 2013-06-26 | 2013-10-02 | 衡阳风顺车桥有限公司 | Automobile swing arm trimming die |
| CN103418666A (en) * | 2013-08-13 | 2013-12-04 | 浙江圣康工贸有限公司 | Doorframe punching die |
| CN204545091U (en) * | 2014-12-31 | 2015-08-12 | 无锡曙光模具有限公司 | A kind of shaving die of heat shield of automobile exhaust system |
-
2014
- 2014-12-31 CN CN201410846735.6A patent/CN104550416B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202367054U (en) * | 2011-11-30 | 2012-08-08 | 芜湖宏昌汽车配件制造有限公司 | Edge wrapping die for heat shield of engine |
| CN202479322U (en) * | 2012-03-15 | 2012-10-10 | 无锡国盛精密模具有限公司 | Mould for automatically cutting off closed scrap edge and waste materials |
| CN103331359A (en) * | 2013-06-26 | 2013-10-02 | 衡阳风顺车桥有限公司 | Automobile swing arm trimming die |
| CN103418666A (en) * | 2013-08-13 | 2013-12-04 | 浙江圣康工贸有限公司 | Doorframe punching die |
| CN204545091U (en) * | 2014-12-31 | 2015-08-12 | 无锡曙光模具有限公司 | A kind of shaving die of heat shield of automobile exhaust system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859353A (en) * | 2015-05-22 | 2015-08-26 | 苏州飞宇精密科技股份有限公司 | Low-temperature thermal shroud embossing die |
| CN113458252A (en) * | 2021-07-05 | 2021-10-01 | 武汉日晗精密机械有限公司 | Forming process of stainless steel exhaust half-shell stamping part and edge upsetting die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104550416B (en) | 2017-09-01 |
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